from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A medial line, especially the medial line or plane of the body.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The medial line (or plane) of the body, which divides the body into halves that are mirror-images of each other.
- n. The level of the top of the x-height of a typeface.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the median plane of the body (or some part of the body)
mid- + line (Wiktionary)